package com.hspedu.Override_.Exercise;

public class main {
    public static void main(String[] args) {
        Person person = new Person("小龙",21);
        person.say();
        System.out.println(person.say());

        System.out.println();
        Student student = new Student("小张",20,"210110328",99.9);
        System.out.println(student.say());
    }
}
